From Old English 'geloma' (tool) — narrowed to the weaving frame because it was the household's most important tool.
A frame or machine for weaving cloth by interlacing threads at right angles.
From Old English 'gelōma' (tool, utensil, implement), shortened to 'lōm' / 'lōme' in Middle English, from Proto-Germanic *ga-lōmą (tool, implement). The word originally meant any tool or utensil and only gradually narrowed to mean specifically the weaving frame. The specialization was so thorough that the original broad meaning
The word 'heirloom' preserves the original Old English meaning of 'loom' as 'tool' or 'implement.' An heirloom was originally a tool (loom) passed down as an inheritance (heir-) — not necessarily a weaving frame, but any valuable household implement. The weaving loom was simply the most important tool in the house, so 'loom' gradually narrowed